CN106522920A - Three-parameter combination logging device based on optical fiber sensing - Google Patents
Three-parameter combination logging device based on optical fiber sensing Download PDFInfo
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- CN106522920A CN106522920A CN201610984471.XA CN201610984471A CN106522920A CN 106522920 A CN106522920 A CN 106522920A CN 201610984471 A CN201610984471 A CN 201610984471A CN 106522920 A CN106522920 A CN 106522920A
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- fbg
- logging
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- sensor
- temperature
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- 239000013307 optical fiber Substances 0.000 title abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000001228 spectrum Methods 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 21
- 230000003595 spectral effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
- E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to the technical field of optical fiber sensing, in particular to a three-parameter combination logging device based on optical fiber sensing. A broadband light source of the logging device is connected with an input arm of an optical fiber coupler. A coupling arm of the optical fiber coupler is connected with an FBG temperature sensor. The FBG temperature sensor is connected with an FBG F-P noise sensor. The FBG F-P noise sensor is connected with an FBG F-P magnetic positioning sensor. A back scattering arm of the optical fiber coupler is connected with a spectrum detector. According to the three-parameter combination logging device based on optical fiber sensing, logging data of the three parameters, that is, the temperature, noise and magnetic positioning, can be obtained at the same time through one-time logging operation; multi-parameter precise positioning fusion is achieved; the logging operation time can be shortened; the logging efficiency is effectively improved; the logging cost is reduced; the characteristics of being resistant to high temperature and high pressure, small in size, resistant to electromagnetic interference and high in detection sensitivity are achieved; and high-temperature logging application is achieved.
Description
Technical field：
The present invention relates to technical field of optical fiber sensing, more particularly to a kind of tri-consult volume combination logging dress based on Fibre Optical Sensor
Put.
Background technology：
The combination logging technology comparative maturity logged well based on electronic circuit, but such as high temperature under many special environments
(more than 170 DEG C) high pressure combination logging, conventional electrical formula combination well detecting Instrument is by temperature, electromagnetic interference, cable transmission decay etc.
Limit, it is impossible to realize high accuracy, the measurement of high reliability, or even well logging cannot be completed.Fibre Optical Sensor has high sensitivity, height
The significantly technical advantage such as precision, Larger Dynamic scope, electromagnetism interference and high temperature high voltage resistant, receives worldwide pass
Note, has all carried out the research of correlation both at home and abroad, develops through technology for many years, although develop some single parameter optical fiber well logging skills
The well logging of art, such as fiber optic temperature, optical fiber pressure well logging etc., and the optical fiber logging sensor of some external large-scale Logging Companies is
Into the downhole testing experimental stage, but the test of single parameter can only be all realized, also no Fibre Optical Sensor combination logging technology
Relevant report.
Using Fibre Optical Sensor well logging can give full play to Fibre Optical Sensor electromagnetism interference, sensitivity height, high temperature high voltage resistant,
It is easy to many advantages such as networking, the high-precision log data of acquirement, but is the optical fiber logging sensor of single parameter at present, i.e.,
One time logging operation can only obtain a well logging parameter, and the subsurface environment of reality is complicated and changeable, in order to obtain reliable well logging
Data, generally requires to measure multiple parameters.In order to obtain multiple well logging parameters, the optical fiber using each single parameter is needed
Logging sensor carries out repeatedly descending well test, the reduction of raising and logging cost not only bad for logging efficiency, and cannot
Realize accurate many reference amounts positioning fusion measurement.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of tri-consult volume combination logging device based on Fibre Optical Sensor, the dress
Put realize logging operation and join can be realized while obtain temperature, the log data of three parameters of noise and magnetic orientation more
That what is measured is accurately positioned fusion, it is possible to reduce the logging operation time, effectively improves logging efficiency, saves logging cost, with resistance to height
The characteristics of warm high pressure, small volume, electromagnetism interference, high detectivity, realize High-Temperature Well Logging application.Overcome existing single ginseng
Amount optical fiber logging operation of logging sensor can only obtain a log parameter, and the well logging cycle is long, and logging efficiency is low, logs well into
This high deficiency.
The technical solution used in the present invention is：A kind of tri-consult volume combination logging device based on Fibre Optical Sensor, including width
Band light source；Wideband light source is connected with the input arm of fiber coupler, coupling arm and the FBG temperature sensor phases of fiber coupler
Connection, FBG temperature sensors are connected with FBG F-P noise transducers, FBG F-P noise transducers and FBG F-P magnetic orientations
Sensor is connected, and the back scattering arm of fiber coupler is connected with spectral detector, spectral detector and signal processing module
It is connected, the operation wavelength of FBG temperature sensors, FBG F-P noise transducers and FBG F-P magnetic position sensors is different,
The operation wavelength of FBG temperature sensors, FBG F-P noise transducers and FBG F-P magnetic position sensors is in wideband light source
In the range of output bandwidth.
The invention has the beneficial effects as follows：Present invention achieves a logging operation can obtain temperature, noise and magnetic simultaneously
The log data of three parameters of positioning, that realizes many reference amounts is accurately positioned fusion, it is possible to reduce the logging operation time, effectively improve
Logging efficiency, saves logging cost, the characteristics of with high temperature high voltage resistant, small volume, electromagnetism interference, high detectivity, real
Existing High-Temperature Well Logging application.
Description of the drawings：
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention.
Specific embodiment：
As shown in figure 1, a kind of tri-consult volume combination logging device based on Fibre Optical Sensor, including wideband light source 1；Wideband light source
1 is connected with the input arm of fiber coupler 2, and the coupling arm of fiber coupler 2 is connected with FBG temperature sensors 3, FBG temperature
Degree sensor 3 is connected with FBG F-P noise transducers 4, FBG F-P noise transducers 4 and FBG F-P magnetic position sensors 5
It is connected, the position of FBG temperature sensors 3, FBG F-P noise transducers 4, FBG F-P magnetic position sensors 5 in sensing light path
Put and arbitrarily can be exchanged according to actual needs, sensor position in the optical path is exchanged and do not affect final sensing effect.
The back scattering arm of fiber coupler 2 is connected with spectral detector 6, and spectral detector 6 is connected with signal processing module, FBG
The operation wavelength of temperature sensor 3, FBG F-P noise transducers 4 and FBG F-P magnetic position sensors 5 is different, FBG temperature
The operation wavelength of sensor 3, FBG F-P noise transducers 4 and FBG F-P magnetic position sensors 5 is in the output of wideband light source 1
In bandwidth range.
Wide spectrum optical of 1 output bandwidth of wideband light source for λ, the wide spectrum optical access light path system from the input arm of fiber coupler 2
System, the coupling arm incoming fiber optic sensor of wide spectrum optical Jing fiber couplers 2 sequentially pass through FBG temperature sensors 3, FBG F-P and make an uproar
Sonic transducer 4, FBG F-P magnetic position sensors 5.At FBG temperature sensors 3, wavelength is passed by FBG temperature for the optical signal of λ 1
Sensor 3 reflects and returns along original optical path；At FBG F-P noise transducers 4, wavelength is the optical signal of λ 2 by FBG F-P noises
Sensor 4 reflects and returns along original optical path；At FBG F-P magnetic position sensors 5, wavelength is the optical signal of λ 3 by FBG F-P
Magnetic position sensor 5 reflects and returns along original optical path.Here λ 1, λ 2, λ 3 wave-length coverage it is mutually misaligned and all in broadband light
Within the scope of spectrum λ, temperature, noise and magnetic orientation transducing signal is carried respectively.Wavelength is λ 1, λ 2, the optical signal of λ 3 are finally returned to
The coupling arm of fiber coupler 2, the back scattering arm output of Jing fiber couplers 2, finally by spectral detector 6 and signal processing mould
Block is received and carries out corresponding signal processing, demodulates the transducing signal entrained by light wave λ 1, λ 2, λ 3 respectively, you can draw phase
The temperature answered, the logging signal of three parameters of noise and magnetic orientation.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (1)
1. a kind of tri-consult volume combination logging device based on Fibre Optical Sensor, including wideband light source (1)；It is characterized in that：Broadband light
Source (1) is connected with the input arm of fiber coupler (2), coupling arm and FBG temperature sensors (3) phase of fiber coupler (2)
Connection, FBG temperature sensors (3) are connected with FBG F-P noise transducers (4), FBG F-P noise transducers (4) and FBG
F-P magnetic position sensors (5) are connected, and the back scattering arm of fiber coupler (2) is connected with spectral detector (6), and spectrum is visited
Survey device (6) to be connected with signal processing module, FBG temperature sensors (3), FBG F-P noise transducers (4) and FBG F-P magnetic
The operation wavelength of alignment sensor (5) is different, FBG temperature sensors (3), FBG F-P noise transducers (4) and FBG F-P
The operation wavelength of magnetic position sensor (5) is in the range of the output bandwidth of wideband light source (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984471.XA CN106522920A (en) | 2016-11-09 | 2016-11-09 | Three-parameter combination logging device based on optical fiber sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610984471.XA CN106522920A (en) | 2016-11-09 | 2016-11-09 | Three-parameter combination logging device based on optical fiber sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522920A true CN106522920A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610984471.XA Pending CN106522920A (en) | 2016-11-09 | 2016-11-09 | Three-parameter combination logging device based on optical fiber sensing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763052A (en) * | 2020-12-16 | 2021-05-07 | 华中科技大学 | Broadband acoustic wave sensor for anti-electronic monitoring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258806A (en) * | 1998-12-28 | 2000-07-05 | 中国科学院西安光学精密机械研究所 | Optical fiber sensing four-parameter logging instrument for steam injection well |
| CN1384341A (en) * | 2002-06-14 | 2002-12-11 | 清华大学 | Optical-fiber grating sensor detecting pressure temperature simultaneously |
| CN2727395Y (en) * | 2004-05-28 | 2005-09-21 | 徐凌堂 | High temperature high pressure optical waveguide well logging system |
| WO2015027247A1 (en) * | 2013-08-23 | 2015-02-26 | Foce Technology International Bv | Single mode fiber bragg grating pressure sensor |
| WO2016033192A1 (en) * | 2014-08-28 | 2016-03-03 | Adelos, Inc. | Noise management for optical time delay interferometry |
-
2016
- 2016-11-09 CN CN201610984471.XA patent/CN106522920A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258806A (en) * | 1998-12-28 | 2000-07-05 | 中国科学院西安光学精密机械研究所 | Optical fiber sensing four-parameter logging instrument for steam injection well |
| CN1384341A (en) * | 2002-06-14 | 2002-12-11 | 清华大学 | Optical-fiber grating sensor detecting pressure temperature simultaneously |
| CN2727395Y (en) * | 2004-05-28 | 2005-09-21 | 徐凌堂 | High temperature high pressure optical waveguide well logging system |
| WO2015027247A1 (en) * | 2013-08-23 | 2015-02-26 | Foce Technology International Bv | Single mode fiber bragg grating pressure sensor |
| WO2016033192A1 (en) * | 2014-08-28 | 2016-03-03 | Adelos, Inc. | Noise management for optical time delay interferometry |
Non-Patent Citations (2)
| Title |
|---|
| 孙艳坤 等: "基于光纤Bragg光栅的油气工业实时监测技术研究进展", 《科技导报》 * |
| 朱秀英 等: "光纤传感器在石油测井中的研究进展", 《2013年CETC22届中国测井方法、应用及装备学术年会》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763052A (en) * | 2020-12-16 | 2021-05-07 | 华中科技大学 | Broadband acoustic wave sensor for anti-electronic monitoring |
| CN112763052B (en) * | 2020-12-16 | 2022-04-08 | 华中科技大学 | Broadband acoustic wave sensor for anti-electronic monitoring |
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Application publication date: 20170322 |
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